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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-24 08:46:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-24 08:46:03 -0700
commitcf9610f9116d55c5a66ef9f1faecacabd93a9322 (patch)
tree757a3d280760c654767631cab5ad8af2d86d1848 /fs/hfsplus/options.c
downloadlinux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.tar.gz
linux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.zip
Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlgrafted
Pull pin control updates from Linus Walleij: "Core changes: - Use the non-blocking mux_state_try_select() in the generic MUX pin control back-end - Free pin maps on pinctrl_generic_to_map() failure in the core helpers New hardware pin control: - Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC (this is for the low power audio, LPASS = Low Power Audio SubSystem portions) - Upboard support on top of the Intel pin controller - Apple T6030 and T6031 support (just compatible strings) - Samsung Exynos 8855 SoC - Mediatek MT6858 SoC - Rockchip RK3308B and RV1106 SoCs - Airoha EN7523 and AN7563 SoCs Improvements: - Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable - Qualcomm improvements on top of the Qualcomm PDC (power domain controller) irqchip improvements from tglx:s tree - Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups - The NPCM8xx driver has been put into shape fixing many pin and group definitions - Some non-urgent Tegra 264 pin assignments are fixed up - Some non-urgent fixups to Airoha AN7581 and AN7583 registers and pin assignments, missing features etc" * tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits) dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema pinctrl: meson: sync some modify from A4 pinctrl: meson: a4: Add input enable pin configuration pinctrl: realtek: rtd1625: remove unused group name spdif_sel pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13 dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema Revert "Merge branch 'ib-rsk7204' into devel" pinctrl: rockchip: Add RV1106 pinctrl support dt-bindings: pinctrl: rockchip: Add RV1106 compatible pinctrl: rockchip: Decode drive strength in the get function pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable pinctrl: airoha: add support of an7563 SoC dt-bindings: pinctrl: airoha: add support of an7563 pin controller pinctrl: airoha: try to find chip scu node by phandle first pinctrl: airoha: add support of en7523 SoC dt-bindings: pinctrl: airoha: add support of en7523 pin controller pinctrl: airoha: an7583: add support for olt pinmux pinctrl: airoha: an7583: add support for pon_alt pinmux pinctrl: airoha: an7583: add support for npu_uart pinmux dt-bindings: pinctrl: airoha: an7583: add missed features ...
Diffstat (limited to 'fs/hfsplus/options.c')
-rw-r--r--fs/hfsplus/options.c169
1 files changed, 169 insertions, 0 deletions
diff --git a/fs/hfsplus/options.c b/fs/hfsplus/options.c
new file mode 100644
index 000000000..9b377481f
--- /dev/null
+++ b/fs/hfsplus/options.c
@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/fs/hfsplus/options.c
+ *
+ * Copyright (C) 2001
+ * Brad Boyer (flar@allandria.com)
+ * (C) 2003 Ardis Technologies <roman@ardistech.com>
+ *
+ * Option parsing
+ */
+
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/fs_struct.h>
+#include <linux/fs_context.h>
+#include <linux/fs_parser.h>
+#include <linux/nls.h>
+#include <linux/mount.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include "hfsplus_fs.h"
+
+enum {
+ opt_creator, opt_type,
+ opt_umask, opt_uid, opt_gid,
+ opt_part, opt_session, opt_nls,
+ opt_decompose, opt_barrier,
+ opt_force,
+};
+
+static const struct fs_parameter_spec hfs_param_spec[] = {
+ fsparam_string ("creator", opt_creator),
+ fsparam_string ("type", opt_type),
+ fsparam_u32oct ("umask", opt_umask),
+ fsparam_u32 ("uid", opt_uid),
+ fsparam_u32 ("gid", opt_gid),
+ fsparam_u32 ("part", opt_part),
+ fsparam_u32 ("session", opt_session),
+ fsparam_string ("nls", opt_nls),
+ fsparam_flag_no ("decompose", opt_decompose),
+ fsparam_flag_no ("barrier", opt_barrier),
+ fsparam_flag ("force", opt_force),
+ {}
+};
+
+/* Initialize an options object to reasonable defaults */
+void hfsplus_fill_defaults(struct hfsplus_sb_info *opts)
+{
+ if (!opts)
+ return;
+
+ opts->creator = HFSPLUS_DEF_CR_TYPE;
+ opts->type = HFSPLUS_DEF_CR_TYPE;
+ opts->umask = current_umask();
+ opts->uid = current_uid();
+ opts->gid = current_gid();
+ opts->part = -1;
+ opts->session = -1;
+}
+
+/* Parse options from mount. Returns nonzero errno on failure */
+int hfsplus_parse_param(struct fs_context *fc, struct fs_parameter *param)
+{
+ struct hfsplus_sb_info *sbi = fc->s_fs_info;
+ struct fs_parse_result result;
+ int opt;
+
+ /*
+ * Only the force option is examined during remount, all others
+ * are ignored.
+ */
+ if (fc->purpose == FS_CONTEXT_FOR_RECONFIGURE &&
+ strncmp(param->key, "force", 5))
+ return 0;
+
+ opt = fs_parse(fc, hfs_param_spec, param, &result);
+ if (opt < 0)
+ return opt;
+
+ switch (opt) {
+ case opt_creator:
+ if (strlen(param->string) != 4) {
+ pr_err("creator requires a 4 character value\n");
+ return -EINVAL;
+ }
+ memcpy(&sbi->creator, param->string, 4);
+ break;
+ case opt_type:
+ if (strlen(param->string) != 4) {
+ pr_err("type requires a 4 character value\n");
+ return -EINVAL;
+ }
+ memcpy(&sbi->type, param->string, 4);
+ break;
+ case opt_umask:
+ sbi->umask = (umode_t)result.uint_32;
+ break;
+ case opt_uid:
+ sbi->uid = result.uid;
+ set_bit(HFSPLUS_SB_UID, &sbi->flags);
+ break;
+ case opt_gid:
+ sbi->gid = result.gid;
+ set_bit(HFSPLUS_SB_GID, &sbi->flags);
+ break;
+ case opt_part:
+ sbi->part = result.uint_32;
+ break;
+ case opt_session:
+ sbi->session = result.uint_32;
+ break;
+ case opt_nls:
+ if (sbi->nls) {
+ pr_err("unable to change nls mapping\n");
+ return -EINVAL;
+ }
+ sbi->nls = load_nls(param->string);
+ if (!sbi->nls) {
+ pr_err("unable to load nls mapping \"%s\"\n",
+ param->string);
+ return -EINVAL;
+ }
+ break;
+ case opt_decompose:
+ if (result.negated)
+ set_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags);
+ else
+ clear_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags);
+ break;
+ case opt_barrier:
+ if (result.negated)
+ set_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags);
+ else
+ clear_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags);
+ break;
+ case opt_force:
+ set_bit(HFSPLUS_SB_FORCE, &sbi->flags);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int hfsplus_show_options(struct seq_file *seq, struct dentry *root)
+{
+ struct hfsplus_sb_info *sbi = HFSPLUS_SB(root->d_sb);
+
+ if (sbi->creator != HFSPLUS_DEF_CR_TYPE)
+ seq_show_option_n(seq, "creator", (char *)&sbi->creator, 4);
+ if (sbi->type != HFSPLUS_DEF_CR_TYPE)
+ seq_show_option_n(seq, "type", (char *)&sbi->type, 4);
+ seq_printf(seq, ",umask=%o,uid=%u,gid=%u", sbi->umask,
+ from_kuid_munged(&init_user_ns, sbi->uid),
+ from_kgid_munged(&init_user_ns, sbi->gid));
+ if (sbi->part >= 0)
+ seq_printf(seq, ",part=%u", sbi->part);
+ if (sbi->session >= 0)
+ seq_printf(seq, ",session=%u", sbi->session);
+ if (sbi->nls)
+ seq_printf(seq, ",nls=%s", sbi->nls->charset);
+ if (test_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags))
+ seq_puts(seq, ",nodecompose");
+ if (test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
+ seq_puts(seq, ",nobarrier");
+ return 0;
+}